/*
 * TNZoomAnimation.j
 *
 * Copyright (C) 2010 Antoine Mercadal <antoine.mercadal@inframonde.eu>
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

@import <Foundation/Foundation.j>
@import <AppKit/CPAnimation.j>



/*! @ingroup virtualmachinenovnc
    Subclass of CPAnimation that handles zoom animation
*/
@implementation TNZoomAnimation: CPAnimation
{
    float   _currentZoom    @accessors(getter=currentZoom);
    float   _endZoomValue   @accessors(property=endZoomValue);
    float   _startZoomValue @accessors(property=startZoomValue);
}

- (void)setCurrentProgress:(float)aProgress
{
    [super setCurrentProgress:aProgress];

    var diff = (_endZoomValue -  _startZoomValue) * aProgress;

    _currentZoom = _startZoomValue + diff;

    [self currentValue];
}

@end
